Yesheng Ma created SPARK-27890:
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Summary: Improve SQL parser error message when missing backquotes
for identifiers with hyphens
Key: SPARK-27890
URL: https://issues.apache.org/jira/browse/SPARK-27890
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.3
Reporter: Yesheng Ma
Current SQL parser's error message for hyphen-connected identifiers without
surrounding backquotes(e.g. {{hyphen-table}}) is confusing for end users. A
possible approach to tackle this is to explicitly capture these wrong usages in
the SQL parser. In this way, the end users can fix these errors more quickly.
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